"""settings.pyConfiguration for Flask appImportant: Place your keys in the secret_keys.py module,            which should be kept out of version control."""import osfrom secret_keys import CSRF_SECRET_KEY, SESSION_KEYDEBUG_MODE = False# Auto-set debug mode based on App Engine dev environif 'SERVER_SOFTWARE' in os.environ and os.environ['SERVER_SOFTWARE'].startswith('Dev'):    DEBUG_MODE = TrueDEBUG = DEBUG_MODE# Set secret keys for CSRF protectionSECRET_KEY = CSRF_SECRET_KEYCSRF_SESSION_KEY = SESSION_KEYCSRF_ENABLED = True# Google Reader Clone specified settingsif DEBUG:    # cron clean old items    ITEM_CLEAN_DAYS = 0    KEEP_LEAST_ITEMS = 1else:    # cron clean old items    ITEM_CLEAN_DAYS = 60    KEEP_LEAST_ITEMS = 1000# url fetchURL_FETCH_TIMEOUT = 30# MAGGICITEM_WITHIN_DAYS = 10READED_PER_CHANNEL = 200ITEM_PER_CHANNEL = 200MAGGIC_STEPLEN = 10# unreadMAX_UNREAD_LIMIT = 10